<script setup name="ListLayout">
const props = defineProps({
  enableLeftSide: {
    type: Boolean,
    default: true
  },
  enableRightSide: {
    type: Boolean,
    default: true
  },
  leftSideWidth: {
    type: [Number, String],
    default: 300
  },
  rightSideWidth: {
    type: [Number, String],
    default: 300
  }
})

// 侧边栏是否折叠
const leftSideVisiable = ref(true)
const rightSideVisiable = ref(true)

const enabledLeftSide = computed(() => {
  return props.enableLeftSide && !!useSlots().leftSide
})
const enabledRightSide = computed(() => {
  return props.enableRightSide && !!useSlots().rightSide
})
</script>

<template>
  <div class="flex-container">
    <div
      v-if="enabledLeftSide" v-show="leftSideVisiable" class="left-side" :style="{
        width: typeof leftSideWidth === 'number' ? `${leftSideWidth}px` : leftSideWidth
      }"
    >
      <slot name="leftSide" />
    </div>
    <div class="main">
      <el-icon v-if="enabledLeftSide" class="left-side-icon" @click="leftSideVisiable = !leftSideVisiable">
        <svg-icon :name="leftSideVisiable ? 'i-ep:caret-left' : 'i-ep:caret-right'" />
      </el-icon>
      <el-icon v-if="enabledRightSide" class="right-side-icon" @click="rightSideVisiable = !rightSideVisiable">
        <svg-icon :name="rightSideVisiable ? 'i-ep:caret-right' : 'i-ep:caret-left'" />
      </el-icon>
      <div class="main-container">
        <slot name="default" />
      </div>
    </div>
    <div
      v-if="enabledRightSide" v-show="rightSideVisiable" class="right-side" :style="{
        width: typeof rightSideWidth === 'number' ? `${rightSideWidth}px` : rightSideWidth
      }"
    >
      <slot name="rightSide" />
    </div>
  </div>
</template>

<style lang="scss" scoped>
.flex-container {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  padding: 20px;
  .left-side,
  .right-side,
  .main {
    --container-padding: 15px;

    height: 100%;
    padding: var(--container-padding);
    background-color: var(--g-app-bg);
    transition: background-color 0.3s;
  }
  .left-side {
    margin-right: 20px;
    flex: none;
    overflow: auto;
  }
  .right-side {
    margin-left: 20px;
    flex: none;
    overflow: auto;
  }
  .main {
    flex: 1;
    position: relative;
    width: 100%;
    .left-side-icon,
    .right-side-icon {
      font-size: 18px;
      background-color: var(--g-app-bg);
      color: var(--el-text-color-placeholder);
      transition: background-color 0.3s, var(--el-transition-color);
      border-radius: 50%;
      width: 24px;
      height: 24px;
      cursor: pointer;
      @include position-center(y);
      &:hover {
        color: var(--el-text-color-regular);
      }
    }
    .left-side-icon {
      left: -10px;
    }
    .right-side-icon {
      right: -10px;
    }
    .main-container {
      position: absolute;
      width: calc(100% - var(--container-padding) * 2);
      height: calc(100% - var(--container-padding) * 2);
      overflow: auto;
    }
  }
}
</style>
